<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<h1>用户登录</h1>
<form action="http://localhost:8080/Servlet/requestServlet"
      method="post">
    <label>
        user: &ensp;&ensp;&ensp;&ensp;&ensp;<input type="text" name="username"><br/>
        password: <input type="password" name="pwd"><br/>
        sport: <input type="checkbox" name="sport" value="lq">篮球
        <input type="checkbox" name="sport" value="zq">足球
        <input type="checkbox" name="sport" value="wq">网球
        <br/><br/>
        <input type="submit" value="登录">
    </label>
</form>
</body>
</html>